An annotated game

In brief

The app's computer plays both sides, at Hard level. Black leads for a long time, but White takes the corners and wins 46 to 18.

Black
White
possible move
disc just placed or square highlighted
disc that was just flipped

The key stages

After 20 moves: 12 black, 12 white.

After 40 moves: 32 black, 12 white. Black leads.

After move 56: Black has no legal move and passes.

End: 18 black, 46 white, board full.

All the moves

Move	Side	Square	Flipped	Black	White
1	black	f5	1	4	1
2	white	f4	1	3	3
3	black	f3	2	6	1
4	white	g4	2	4	4
5	black	e3	1	6	3
6	white	f6	2	4	6
7	black	c5	1	6	5
8	white	f2	1	5	7
9	black	g2	1	7	6
10	white	e2	3	4	10
11	black	h4	3	8	7
12	white	c6	2	6	10
13	black	f1	2	9	8
14	white	c4	2	7	11
15	black	e6	1	9	10
16	white	h1	2	7	13
17	black	e1	4	12	9
18	white	g5	2	10	12
19	black	b6	2	13	10
20	white	b5	1	12	12
21	black	d6	3	16	9
22	white	h5	1	15	11
23	black	h6	2	18	9
24	white	d7	2	16	12
25	black	g6	3	20	9
26	white	f7	5	15	15
27	black	f8	5	21	10
28	white	e7	1	20	12
29	black	c8	2	23	10
30	white	g3	2	21	13
31	black	a5	4	26	9
32	white	d3	4	22	14
33	black	d2	6	29	8
34	white	b4	2	27	11
35	black	c7	1	29	10
36	white	c3	2	27	13
37	black	c2	5	33	8
38	white	b3	2	31	11
39	black	a2	1	33	10
40	white	a3	1	32	12
41	black	a4	3	36	9
42	white	a6	2	34	12
43	black	a7	1	36	11
44	white	c1	2	34	14
45	black	b2	3	38	11
46	white	d8	4	34	16
47	black	e8	3	38	13
48	white	g1	1	37	15
49	black	h2	3	41	12
50	white	a1	2	39	15
51	black	b1	1	41	14
52	white	d1	4	37	19
53	black	h3	1	39	18
54	white	h7	8	31	27
55	black	g7	1	33	26
56	white	a8	6	27	33 (then the opponent passes)
57	white	b8	1	26	35
58	black	b7	1	28	34
59	white	g8	12	16	47
60	black	h8	1	18	46

The Shortest Game

A game can end well before the board is full. Found by the app's code, the shortest one is 9 moves long: d3, c3, b3, d2, e1, d6, d7, e3, f4. White has no discs left, neither player can move, and the score is 13 to 0.

Game over after 9 moves: 13 black, 0 white, 51 empty squares.